diff options
Diffstat (limited to 'glob/glob.c')
-rw-r--r-- | glob/glob.c | 762 |
1 files changed, 539 insertions, 223 deletions
diff --git a/glob/glob.c b/glob/glob.c index 6a82fe0..eab7919 100644 --- a/glob/glob.c +++ b/glob/glob.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc. +/* Copyright (C) 1991,92,93,94,95,96,97,98 Free Software Foundation, Inc. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as @@ -16,17 +16,17 @@ Boston, MA 02111-1307, USA. */ /* AIX requires this to be the first thing in the file. */ -#if defined (_AIX) && !defined (__GNUC__) +#if defined _AIX && !defined __GNUC__ #pragma alloca #endif #ifdef HAVE_CONFIG_H -#include <config.h> +# include <config.h> #endif /* Enable GNU extensions in glob.h. */ #ifndef _GNU_SOURCE -#define _GNU_SOURCE 1 +# define _GNU_SOURCE 1 #endif #include <errno.h> @@ -49,45 +49,45 @@ it is simpler to just do this in the source for each such file. */ #define GLOB_INTERFACE_VERSION 1 -#if !defined (_LIBC) && defined (__GNU_LIBRARY__) && __GNU_LIBRARY__ > 1 -#include <gnu-versions.h> -#if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION -#define ELIDE_CODE -#endif +#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1 +# include <gnu-versions.h> +# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION +# define ELIDE_CODE +# endif #endif #ifndef ELIDE_CODE -#if defined(STDC_HEADERS) || defined(__GNU_LIBRARY__) -#include <stddef.h> +#if defined STDC_HEADERS || defined __GNU_LIBRARY__ +# include <stddef.h> #endif #if defined HAVE_UNISTD_H || defined _LIBC -#include <unistd.h> -#ifndef POSIX -#ifdef _POSIX_VERSION -#define POSIX -#endif -#endif +# include <unistd.h> +# ifndef POSIX +# ifdef _POSIX_VERSION +# define POSIX +# endif +# endif #endif -#if !defined (_AMIGA) && !defined (VMS) && !defined(WINDOWS32) -#include <pwd.h> +#if !defined _AMIGA && !defined VMS && !defined WINDOWS32 +# include <pwd.h> #endif -#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS) +#if !defined __GNU_LIBRARY__ && !defined STDC_HEADERS extern int errno; #endif #ifndef __set_errno -#define __set_errno(val) errno = (val) +# define __set_errno(val) errno = (val) #endif #ifndef NULL -#define NULL 0 +# define NULL 0 #endif -#if defined (HAVE_DIRENT_H) || defined (__GNU_LIBRARY__) +#if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__ # include <dirent.h> # define NAMLEN(dirent) strlen((dirent)->d_name) #else @@ -110,36 +110,42 @@ extern int errno; /* In GNU systems, <dirent.h> defines this macro for us. */ #ifdef _D_NAMLEN -#undef NAMLEN -#define NAMLEN(d) _D_NAMLEN(d) +# undef NAMLEN +# define NAMLEN(d) _D_NAMLEN(d) +#endif + +/* When used in the GNU libc the symbol _DIRENT_HAVE_D_TYPE is available + if the `d_type' member for `struct dirent' is available. */ +#ifdef _DIRENT_HAVE_D_TYPE +# define HAVE_D_TYPE 1 #endif -#if (defined (POSIX) || defined (WINDOWS32)) && !defined (__GNU_LIBRARY__) +#if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__ /* Posix does not require that the d_ino field be present, and some systems do not provide it. */ -#define REAL_DIR_ENTRY(dp) 1 +# define REAL_DIR_ENTRY(dp) 1 #else -#define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) +# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) #endif /* POSIX */ -#if (defined (STDC_HEADERS) || defined (__GNU_LIBRARY__)) -#include <stdlib.h> -#include <string.h> -#define ANSI_STRING +#if defined STDC_HEADERS || defined __GNU_LIBRARY__ +# include <stdlib.h> +# include <string.h> +# define ANSI_STRING #else /* No standard headers. */ extern char *getenv (); -#ifdef HAVE_STRING_H -#include <string.h> -#define ANSI_STRING -#else -#include <strings.h> -#endif -#ifdef HAVE_MEMORY_H -#include <memory.h> -#endif +# ifdef HAVE_STRING_H +# include <string.h> +# define ANSI_STRING +# else +# include <strings.h> +# endif +# ifdef HAVE_MEMORY_H +# include <memory.h> +# endif extern char *malloc (), *realloc (); extern void free (); @@ -151,35 +157,40 @@ extern void abort (), exit (); #ifndef ANSI_STRING -#ifndef bzero +# ifndef bzero extern void bzero (); -#endif -#ifndef bcopy +# endif +# ifndef bcopy extern void bcopy (); -#endif +# endif -#define memcpy(d, s, n) bcopy ((s), (d), (n)) -#define strrchr rindex +# define memcpy(d, s, n) bcopy ((s), (d), (n)) +# define strrchr rindex /* memset is only used for zero here, but let's be paranoid. */ -#define memset(s, better_be_zero, n) \ +# define memset(s, better_be_zero, n) \ ((void) ((better_be_zero) == 0 ? (bzero((s), (n)), 0) : (abort(), 0))) #endif /* Not ANSI_STRING. */ #if !defined HAVE_STRCOLL && !defined _LIBC -#define strcoll strcmp +# define strcoll strcmp +#endif + +#if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1 +# define HAVE_MEMPCPY 1 +# define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len) #endif #ifndef __GNU_LIBRARY__ -#ifdef __GNUC__ +# ifdef __GNUC__ __inline -#endif -#ifndef __SASC -#ifdef WINDOWS32 +# endif +# ifndef __SASC +# ifdef WINDOWS32 static void * -#else +# else static char * -#endif +# endif my_realloc (p, n) char *p; unsigned int n; @@ -190,68 +201,85 @@ my_realloc (p, n) return (char *) malloc (n); return (char *) realloc (p, n); } -#define realloc my_realloc -#endif /* __SASC */ +# define realloc my_realloc +# endif /* __SASC */ #endif /* __GNU_LIBRARY__ */ -#if !defined(__alloca) && !defined(__GNU_LIBRARY__) +#if !defined __alloca && !defined __GNU_LIBRARY__ -#ifdef __GNUC__ -#undef alloca -#define alloca(n) __builtin_alloca (n) -#else /* Not GCC. */ -#ifdef HAVE_ALLOCA_H -#include <alloca.h> -#else /* Not HAVE_ALLOCA_H. */ -#ifndef _AIX -#ifdef WINDOWS32 -#include <malloc.h> -#else +# ifdef __GNUC__ +# undef alloca +# define alloca(n) __builtin_alloca (n) +# else /* Not GCC. */ +# ifdef HAVE_ALLOCA_H +# include <alloca.h> +# else /* Not HAVE_ALLOCA_H. */ +# ifndef _AIX +# ifdef WINDOWS32 +# include <malloc.h> +# else extern char *alloca (); -#endif /* WINDOWS32 */ -#endif /* Not _AIX. */ -#endif /* sparc or HAVE_ALLOCA_H. */ -#endif /* GCC. */ +# endif /* WINDOWS32 */ +# endif /* Not _AIX. */ +# endif /* sparc or HAVE_ALLOCA_H. */ +# endif /* GCC. */ -#define __alloca alloca +# define __alloca alloca #endif #ifndef __GNU_LIBRARY__ -#define __stat stat -#ifdef STAT_MACROS_BROKEN -#undef S_ISDIR -#endif -#ifndef S_ISDIR -#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) +# define __stat stat +# ifdef STAT_MACROS_BROKEN +# undef S_ISDIR +# endif +# ifndef S_ISDIR +# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) +# endif #endif + +#ifdef _LIBC +# define strdup(str) __strdup (str) +# define sysconf(id) __sysconf (id) +# define closedir(dir) __closedir (dir) +# define opendir(name) __opendir (name) +# define readdir(str) __readdir (str) #endif -#if !(defined (STDC_HEADERS) || defined (__GNU_LIBRARY__)) -#undef size_t -#define size_t unsigned int +#if !(defined STDC_HEADERS || defined __GNU_LIBRARY__) +# undef size_t +# define size_t unsigned int #endif /* Some system header files erroneously define these. We want our own definitions from <fnmatch.h> to take precedence. */ -#undef FNM_PATHNAME -#undef FNM_NOESCAPE -#undef FNM_PERIOD +#ifndef __GNU_LIBRARY__ +# undef FNM_PATHNAME +# undef FNM_NOESCAPE +# undef FNM_PERIOD +#endif #include <fnmatch.h> /* Some system header files erroneously define these. We want our own definitions from <glob.h> to take precedence. */ -#undef GLOB_ERR -#undef GLOB_MARK -#undef GLOB_NOSORT -#undef GLOB_DOOFFS -#undef GLOB_NOCHECK -#undef GLOB_APPEND -#undef GLOB_NOESCAPE -#undef GLOB_PERIOD +#ifndef __GNU_LIBRARY__ +# undef GLOB_ERR +# undef GLOB_MARK +# undef GLOB_NOSORT +# undef GLOB_DOOFFS +# undef GLOB_NOCHECK +# undef GLOB_APPEND +# undef GLOB_NOESCAPE +# undef GLOB_PERIOD +#endif #include <glob.h> +static +#if __GNUC__ - 0 >= 2 +inline +#endif +const char *next_brace_sub __P ((const char *begin)); static int glob_in_dir __P ((const char *pattern, const char *directory, int flags, int (*errfunc) __P ((const char *, int)), @@ -358,8 +386,12 @@ glob (pattern, flags, errfunc, pglob) #endif /* We know the prefix for all sub-patterns. */ +#ifdef HAVE_MEMPCPY + alt_start = mempcpy (onealt, pattern, begin - pattern); +#else memcpy (onealt, pattern, begin - pattern); alt_start = &onealt[begin - pattern]; +#endif /* Find the first sub-pattern and at the same time find the rest after the closing brace. */ @@ -412,8 +444,12 @@ glob (pattern, flags, errfunc, pglob) int result; /* Construct the new glob expression. */ +#ifdef HAVE_MEMPCPY + mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len); +#else memcpy (alt_start, p, next - p); memcpy (&alt_start[next - p], rest, rest_len); +#endif result = glob (onealt, ((flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC)) @@ -453,15 +489,38 @@ glob (pattern, flags, errfunc, pglob) /* Find the filename. */ filename = strrchr (pattern, '/'); +#if defined __MSDOS__ || defined WINDOWS32 + /* The case of "d:pattern". Since `:' is not allowed in + file names, we can safely assume that wherever it + happens in pattern, it signals the filename part. This + is so we could some day support patterns like "[a-z]:foo". */ + if (filename == NULL) + filename = strchr (pattern, ':'); +#endif /* __MSDOS__ || WINDOWS32 */ if (filename == NULL) { - filename = pattern; + /* This can mean two things: a simple name or "~name". The later + case is nothing but a notation for a directory. */ + if ((flags & GLOB_TILDE) && pattern[0] == '~') + { + dirname = (char *) pattern; + dirlen = strlen (pattern); + + /* Set FILENAME to NULL as a special flag. This is ugly but + other solutions would require much more code. We test for + this special case below. */ + filename = NULL; + } + else + { + filename = pattern; #ifdef _AMIGA - dirname = (char *) ""; + dirname = (char *) ""; #else - dirname = (char *) "."; + dirname = (char *) "."; #endif - dirlen = 0; + dirlen = 0; + } } else if (filename == pattern) { @@ -473,19 +532,53 @@ glob (pattern, flags, errfunc, pglob) else { dirlen = filename - pattern; +#if defined __MSDOS__ || defined WINDOWS32 + if ((*filename == ':') + || (filename > pattern + 1 && filename[-1] == ':')) + { + char *drive_spec; + + ++dirlen; + drive_spec = (char *) __alloca (dirlen + 1); +#ifdef HAVE_MEMPCPY + *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0'; +#else + memcpy (drive_spec, pattern, dirlen); + drive_spec[dirlen] = '\0'; +#endif + /* For now, disallow wildcards in the drive spec, to + prevent infinite recursion in glob. */ + if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE))) + return GLOB_NOMATCH; + /* If this is "d:pattern", we need to copy `:' to DIRNAME + as well. If it's "d:/pattern", don't remove the slash + from "d:/", since "d:" and "d:/" are not the same.*/ + } +#endif dirname = (char *) __alloca (dirlen + 1); +#ifdef HAVE_MEMPCPY + *((char *) mempcpy (dirname, pattern, dirlen)) = '\0'; +#else memcpy (dirname, pattern, dirlen); dirname[dirlen] = '\0'; +#endif ++filename; - } - if (filename[0] == '\0' && dirlen > 1) - /* "pattern/". Expand "pattern", appending slashes. */ - { - int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob); - if (val == 0) - pglob->gl_flags = (pglob->gl_flags & ~GLOB_MARK) | (flags & GLOB_MARK); - return val; + if (filename[0] == '\0' +#if defined __MSDOS__ || defined WINDOWS32 + && dirname[dirlen-1] != ':' + && (dirlen < 3 || dirname[dirlen-2] != ':' + || dirname[dirlen-1] != '/') +#endif + && dirlen > 1) + /* "pattern/". Expand "pattern", appending slashes. */ + { + int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob); + if (val == 0) + pglob->gl_flags = ((pglob->gl_flags & ~GLOB_MARK) + | (flags & GLOB_MARK)); + return val; + } } if (!(flags & GLOB_APPEND)) @@ -503,18 +596,18 @@ glob (pattern, flags, errfunc, pglob) { /* Look up home directory. */ char *home_dir = getenv ("HOME"); -#ifdef _AMIGA +# ifdef _AMIGA if (home_dir == NULL || home_dir[0] == '\0') home_dir = "SYS:"; -#else -#ifdef WINDOWS32 +# else +# ifdef WINDOWS32 if (home_dir == NULL || home_dir[0] == '\0') home_dir = "c:/users/default"; /* poor default */ -#else +# else if (home_dir == NULL || home_dir[0] == '\0') { int success; -#if defined HAVE_GETLOGIN_R || defined _LIBC +# if defined HAVE_GETLOGIN_R || defined _LIBC extern int getlogin_r __P ((char *, size_t)); size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1; char *name; @@ -526,15 +619,15 @@ glob (pattern, flags, errfunc, pglob) name = (char *) __alloca (buflen); success = getlogin_r (name, buflen) >= 0; -#else +# else extern char *getlogin __P ((void)); char *name; success = (name = getlogin ()) != NULL; -#endif +# endif if (success) { -#if defined HAVE_GETPWNAM_R || defined _LIBC +# if defined HAVE_GETPWNAM_R || defined _LIBC size_t pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX); char *pwtmpbuf; struct passwd pwbuf, *p; @@ -543,18 +636,18 @@ glob (pattern, flags, errfunc, pglob) success = (__getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p) >= 0); -#else +# else struct passwd *p = getpwnam (name); success = p != NULL; -#endif +# endif if (success) home_dir = p->pw_dir; } } if (home_dir == NULL || home_dir[0] == '\0') home_dir = (char *) "~"; /* No luck. */ -#endif /* WINDOWS32 */ -#endif +# endif /* WINDOWS32 */ +# endif /* Now construct the full directory. */ if (dirname[1] == '\0') dirname = home_dir; @@ -563,12 +656,17 @@ glob (pattern, flags, errfunc, pglob) char *newp; size_t home_len = strlen (home_dir); newp = (char *) __alloca (home_len + dirlen); +# ifdef HAVE_MEMPCPY + mempcpy (mempcpy (newp, home_dir, home_len), + &dirname[1], dirlen); +# else memcpy (newp, home_dir, home_len); memcpy (&newp[home_len], &dirname[1], dirlen); +# endif dirname = newp; } } -#if !defined _AMIGA && !defined WINDOWS32 +# if !defined _AMIGA && !defined WINDOWS32 else { char *end_name = strchr (dirname, '/'); @@ -580,13 +678,18 @@ glob (pattern, flags, errfunc, pglob) else { user_name = (char *) __alloca (end_name - dirname); +# ifdef HAVE_MEMPCPY + *((char *) mempcpy (user_name, dirname + 1, end_name - dirname)) + = '\0'; +# else memcpy (user_name, dirname + 1, end_name - dirname); user_name[end_name - dirname - 1] = '\0'; +# endif } /* Look up specific user's home directory. */ { -#if defined HAVE_GETPWNAM_R || defined _LIBC +# if defined HAVE_GETPWNAM_R || defined _LIBC size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX); char *pwtmpbuf = (char *) __alloca (buflen); struct passwd pwbuf, *p; @@ -594,13 +697,13 @@ glob (pattern, flags, errfunc, pglob) home_dir = p->pw_dir; else home_dir = NULL; -#else +# else struct passwd *p = getpwnam (user_name); if (p != NULL) home_dir = p->pw_dir; else home_dir = NULL; -#endif +# endif } /* If we found a home directory use this. */ if (home_dir != NULL) @@ -609,16 +712,74 @@ glob (pattern, flags, errfunc, pglob) size_t home_len = strlen (home_dir); size_t rest_len = end_name == NULL ? 0 : strlen (end_name); newp = (char *) __alloca (home_len + rest_len + 1); +# ifdef HAVE_MEMPCPY + *((char *) mempcpy (mempcpy (newp, home_dir, home_len), + end_name, rest_len)) = '\0'; +# else memcpy (newp, home_dir, home_len); memcpy (&newp[home_len], end_name, rest_len); newp[home_len + rest_len] = '\0'; +# endif dirname = newp; } } -#endif /* Not Amiga && not WINDOWS32. */ +# endif /* Not Amiga && not WINDOWS32. */ } #endif /* Not VMS. */ + /* Now test whether we looked for "~" or "~NAME". In this case we + can give the answer now. */ + if (filename == NULL) + { + struct stat st; + + /* Return the directory if we don't check for error or if it exists. */ + if ((flags & GLOB_NOCHECK) + || (((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_stat) (dirname, &st) + : __stat (dirname, &st)) == 0 + && S_ISDIR (st.st_mode))) + { + pglob->gl_pathv + = (char **) realloc (pglob->gl_pathv, + (pglob->gl_pathc + + ((flags & GLOB_DOOFFS) ? + pglob->gl_offs : 0) + + 1 + 1) * + sizeof (char *)); + if (pglob->gl_pathv == NULL) + return GLOB_NOSPACE; + + if (flags & GLOB_DOOFFS) + while (pglob->gl_pathc < pglob->gl_offs) + pglob->gl_pathv[pglob->gl_pathc++] = NULL; + +#if defined HAVE_STRDUP || defined _LIBC + pglob->gl_pathv[pglob->gl_pathc] = strdup (dirname); +#else + { + size_t len = strlen (dirname) + 1; + char *dircopy = malloc (len); + if (dircopy != NULL) + pglob->gl_pathv[pglob->gl_pathc] = memcpy (dircopy, dirname, + len); + } +#endif + if (pglob->gl_pathv[pglob->gl_pathc] == NULL) + { + free (pglob->gl_pathv); + return GLOB_NOSPACE; + } + pglob->gl_pathv[++pglob->gl_pathc] = NULL; + pglob->gl_flags = flags; + + return 0; + } + + /* Not found. */ + return GLOB_NOMATCH; + } + if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE))) { /* The directory name contains metacharacters, so we @@ -628,8 +789,8 @@ glob (pattern, flags, errfunc, pglob) register int i; status = glob (dirname, - ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE)) | - GLOB_NOSORT), + ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE)) + | GLOB_NOSORT | GLOB_ONLYDIR), errfunc, &dirs); if (status != 0) return status; @@ -639,7 +800,7 @@ glob (pattern, flags, errfunc, pglob) appending the results to PGLOB. */ for (i = 0; i < dirs.gl_pathc; ++i) { - int oldcount; + int old_pathc; #ifdef SHELL { @@ -655,9 +816,10 @@ glob (pattern, flags, errfunc, pglob) } #endif /* SHELL. */ - oldcount = pglob->gl_pathc; + old_pathc = pglob->gl_pathc; status = glob_in_dir (filename, dirs.gl_pathv[i], - (flags | GLOB_APPEND) & ~GLOB_NOCHECK, + ((flags | GLOB_APPEND) + & ~(GLOB_NOCHECK | GLOB_ERR)), errfunc, pglob); if (status == GLOB_NOMATCH) /* No matches in this directory. Try the next. */ @@ -672,8 +834,8 @@ glob (pattern, flags, errfunc, pglob) /* Stick the directory on the front of each name. */ if (prefix_array (dirs.gl_pathv[i], - &pglob->gl_pathv[oldcount], - pglob->gl_pathc - oldcount)) + &pglob->gl_pathv[old_pathc], + pglob->gl_pathc - old_pathc)) { globfree (&dirs); globfree (pglob); @@ -683,26 +845,29 @@ glob (pattern, flags, errfunc, pglob) flags |= GLOB_MAGCHAR; + /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls. + But if we have not found any matching entry and thie GLOB_NOCHECK + flag was set we must return the list consisting of the disrectory + names followed by the filename. */ if (pglob->gl_pathc == oldcount) /* No matches. */ if (flags & GLOB_NOCHECK) { - size_t len = strlen (pattern) + 1; - char *patcopy = (char *) malloc (len); - if (patcopy == NULL) - return GLOB_NOSPACE; - memcpy (patcopy, pattern, len); + size_t filename_len = strlen (filename) + 1; + char **new_pathv; + struct stat st; + /* This is an pessimistic guess about the size. */ pglob->gl_pathv = (char **) realloc (pglob->gl_pathv, (pglob->gl_pathc + ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) + - 1 + 1) * + dirs.gl_pathc + 1) * sizeof (char *)); if (pglob->gl_pathv == NULL) { - free (patcopy); + globfree (&dirs); return GLOB_NOSPACE; } @@ -710,12 +875,55 @@ glob (pattern, flags, errfunc, pglob) while (pglob->gl_pathc < pglob->gl_offs) pglob->gl_pathv[pglob->gl_pathc++] = NULL; - pglob->gl_pathv[pglob->gl_pathc++] = patcopy; + for (i = 0; i < dirs.gl_pathc; ++i) + { + const char *dir = dirs.gl_pathv[i]; + size_t dir_len = strlen (dir); + + /* First check whether this really is a directory. */ + if (((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_stat) (dir, &st) : __stat (dir, &st)) != 0 + || !S_ISDIR (st.st_mode)) + /* No directory, ignore this entry. */ + continue; + + pglob->gl_pathv[pglob->gl_pathc] = malloc (dir_len + 1 + + filename_len); + if (pglob->gl_pathv[pglob->gl_pathc] == NULL) + { + globfree (&dirs); + globfree (pglob); + return GLOB_NOSPACE; + } + +#ifdef HAVE_MEMPCPY + mempcpy (mempcpy (mempcpy (pglob->gl_pathv[pglob->gl_pathc], + dir, dir_len), + "/", 1), + filename, filename_len); +#else + memcpy (pglob->gl_pathv[pglob->gl_pathc], dir, dir_len); + pglob->gl_pathv[pglob->gl_pathc][dir_len] = '/'; + memcpy (&pglob->gl_pathv[pglob->gl_pathc][dir_len + 1], + filename, filename_len); +#endif + ++pglob->gl_pathc; + } + pglob->gl_pathv[pglob->gl_pathc] = NULL; pglob->gl_flags = flags; + + /* Now we know how large the gl_pathv vector must be. */ + new_pathv = (char **) realloc (pglob->gl_pathv, + ((pglob->gl_pathc + 1) + * sizeof (char *))); + if (new_pathv != NULL) + pglob->gl_pathv = new_pathv; } else return GLOB_NOMATCH; + + globfree (&dirs); } else { @@ -726,9 +934,14 @@ glob (pattern, flags, errfunc, pglob) if (dirlen > 0) { /* Stick the directory on the front of each name. */ + int ignore = oldcount; + + if ((flags & GLOB_DOOFFS) && ignore < pglob->gl_offs) + ignore = pglob->gl_offs; + if (prefix_array (dirname, - &pglob->gl_pathv[oldcount], - pglob->gl_pathc - oldcount)) + &pglob->gl_pathv[ignore], + pglob->gl_pathc - ignore)) { globfree (pglob); return GLOB_NOSPACE; @@ -742,10 +955,10 @@ glob (pattern, flags, errfunc, pglob) int i; struct stat st; for (i = oldcount; i < pglob->gl_pathc; ++i) - if (((flags & GLOB_ALTDIRFUNC) ? - (*pglob->gl_stat) (pglob->gl_pathv[i], &st) : - __stat (pglob->gl_pathv[i], &st)) == 0 && - S_ISDIR (st.st_mode)) + if (((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_stat) (pglob->gl_pathv[i], &st) + : __stat (pglob->gl_pathv[i], &st)) == 0 + && S_ISDIR (st.st_mode)) { size_t len = strlen (pglob->gl_pathv[i]) + 2; char *new = realloc (pglob->gl_pathv[i], len); @@ -760,10 +973,17 @@ glob (pattern, flags, errfunc, pglob) } if (!(flags & GLOB_NOSORT)) - /* Sort the vector. */ - qsort ((__ptr_t) &pglob->gl_pathv[oldcount], - pglob->gl_pathc - oldcount, - sizeof (char *), collated_compare); + { + /* Sort the vector. */ + int non_sort = oldcount; + + if ((flags & GLOB_DOOFFS) && pglob->gl_offs > oldcount) + non_sort = pglob->gl_offs; + + qsort ((__ptr_t) &pglob->gl_pathv[non_sort], + pglob->gl_pathc - non_sort, + sizeof (char *), collated_compare); + } return 0; } @@ -816,11 +1036,31 @@ prefix_array (dirname, array, n) { register size_t i; size_t dirlen = strlen (dirname); +#if defined __MSDOS__ || defined WINDOWS32 + int sep_char = '/'; +# define DIRSEP_CHAR sep_char +#else +# define DIRSEP_CHAR '/' +#endif if (dirlen == 1 && dirname[0] == '/') /* DIRNAME is just "/", so normal prepending would get us "//foo". We want "/foo" instead, so don't prepend any chars from DIRNAME. */ dirlen = 0; +#if defined __MSDOS__ || defined WINDOWS32 + else if (dirlen > 1) + { + if (dirname[dirlen - 1] == '/') + /* DIRNAME is "d:/". Don't prepend the slash from DIRNAME. */ + --dirlen; + else if (dirname[dirlen - 1] == ':') + { + /* DIRNAME is "d:". Use `:' instead of `/'. */ + --dirlen; + sep_char = ':'; + } + } +#endif for (i = 0; i < n; ++i) { @@ -833,9 +1073,17 @@ prefix_array (dirname, array, n) return 1; } +#ifdef HAVE_MEMPCPY + { + char *endp = (char *) mempcpy (new, dirname, dirlen); + *endp++ = DIRSEP_CHAR; + mempcpy (endp, array[i], eltlen); + } +#else memcpy (new, dirname, dirlen); - new[dirlen] = '/'; + new[dirlen] = DIRSEP_CHAR; memcpy (&new[dirlen + 1], array[i], eltlen); +#endif free ((__ptr_t) array[i]); array[i] = new; } @@ -895,7 +1143,7 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) int (*errfunc) __P ((const char *, int)); glob_t *pglob; { - __ptr_t stream; + __ptr_t stream = NULL; struct globlink { @@ -903,69 +1151,131 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) char *name; }; struct globlink *names = NULL; - size_t nfound = 0; + size_t nfound; + int meta; + int save; - if (!__glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE))) + meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); + if (meta == 0) { - stream = NULL; - flags |= GLOB_NOCHECK; + if (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)) + /* We need not do any tests. The PATTERN contains no meta + characters and we must not return an error therefore the + result will always contain exactly one name. */ + flags |= GLOB_NOCHECK; + else + { + /* Since we use the normal file functions we can also use stat() + to verify the file is there. */ + struct stat st; + size_t patlen = strlen (pattern); + size_t dirlen = strlen (directory); + char *fullname = (char *) __alloca (dirlen + 1 + patlen + 1); + +# ifdef HAVE_MEMPCPY + mempcpy (mempcpy (mempcpy (fullname, directory, dirlen), + "/", 1), + pattern, patlen + 1); +# else + memcpy (fullname, directory, dirlen); + fullname[dirlen] = '/'; + memcpy (&fullname[dirlen + 1], pattern, patlen + 1); +# endif + if (((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_stat) (fullname, &st) + : __stat (fullname, &st)) == 0) + /* We found this file to be existing. Now tell the rest + of the function to copy this name into the result. */ + flags |= GLOB_NOCHECK; + } + + nfound = 0; } else { - flags |= GLOB_MAGCHAR; - - stream = ((flags & GLOB_ALTDIRFUNC) ? - (*pglob->gl_opendir) (directory) : - (__ptr_t) opendir (directory)); - if (stream == NULL) + if (pattern[0] == '\0') { - if ((errfunc != NULL && (*errfunc) (directory, errno)) || - (flags & GLOB_ERR)) - return GLOB_ABORTED; + /* This is a special case for matching directories like in + "*a/". */ + names = (struct globlink *) __alloca (sizeof (struct globlink)); + names->name = (char *) malloc (1); + if (names->name == NULL) + goto memory_error; + names->name[0] = '\0'; + names->next = NULL; + nfound = 1; + meta = 0; } else - while (1) - { - const char *name; - size_t len; - struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ? - (*pglob->gl_readdir) (stream) : - readdir ((DIR *) stream)); - if (d == NULL) - break; - if (! REAL_DIR_ENTRY (d)) - continue; + { + stream = ((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_opendir) (directory) + : (__ptr_t) opendir (directory)); + if (stream == NULL) + { + if ((errfunc != NULL && (*errfunc) (directory, errno)) + || (flags & GLOB_ERR)) + return GLOB_ABORTED; + nfound = 0; + meta = 0; + } + else + { + int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) + | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) +#if defined _AMIGA || defined VMS + | FNM_CASEFOLD +#endif + ); + nfound = 0; + flags |= GLOB_MAGCHAR; - name = d->d_name; + while (1) + { + const char *name; + size_t len; + struct dirent *d = ((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_readdir) (stream) + : readdir ((DIR *) stream)); + if (d == NULL) + break; + if (! REAL_DIR_ENTRY (d)) + continue; + +#ifdef HAVE_D_TYPE + /* If we shall match only directories use the information + provided by the dirent call if possible. */ + if ((flags & GLOB_ONLYDIR) + && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR) + continue; +#endif - if (fnmatch (pattern, name, - (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) | - ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) -#ifdef _AMIGA - | FNM_CASEFOLD + name = d->d_name; + + if (fnmatch (pattern, name, fnm_flags) == 0) + { + struct globlink *new = (struct globlink *) + __alloca (sizeof (struct globlink)); + len = NAMLEN (d); + new->name = (char *) malloc (len + 1); + if (new->name == NULL) + goto memory_error; +#ifdef HAVE_MEMPCPY + *((char *) mempcpy ((__ptr_t) new->name, name, len)) + = '\0'; +#else + memcpy ((__ptr_t) new->name, name, len); + new->name[len] = '\0'; #endif - ) == 0) - { - struct globlink *new - = (struct globlink *) __alloca (sizeof (struct globlink)); - len = NAMLEN (d); - new->name - = (char *) malloc (len + 1); - if (new->name == NULL) - goto memory_error; - memcpy ((__ptr_t) new->name, name, len); - new->name[len] = '\0'; - new->next = names; - names = new; - ++nfound; - } - } + new->next = names; + names = new; + ++nfound; + } + } + } + } } - if (nfound == 0 && (flags & GLOB_NOMAGIC) && - ! __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE))) - flags |= GLOB_NOCHECK; - if (nfound == 0 && (flags & GLOB_NOCHECK)) { size_t len = strlen (pattern); @@ -975,38 +1285,44 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob) names->name = (char *) malloc (len + 1); if (names->name == NULL) goto memory_error; +#ifdef HAVE_MEMPCPY + *((char *) mempcpy (names->name, pattern, len)) = '\0'; +#else memcpy (names->name, pattern, len); names->name[len] = '\0'; +#endif } - pglob->gl_pathv - = (char **) realloc (pglob->gl_pathv, - (pglob->gl_pathc + - ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) + - nfound + 1) * - sizeof (char *)); - if (pglob->gl_pathv == NULL) - goto memory_error; + if (nfound != 0) + { + pglob->gl_pathv + = (char **) realloc (pglob->gl_pathv, + (pglob->gl_pathc + + ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) + + nfound + 1) * + sizeof (char *)); + if (pglob->gl_pathv == NULL) + goto memory_error; - if (flags & GLOB_DOOFFS) - while (pglob->gl_pathc < pglob->gl_offs) - pglob->gl_pathv[pglob->gl_pathc++] = NULL; + if (flags & GLOB_DOOFFS) + while (pglob->gl_pathc < pglob->gl_offs) + pglob->gl_pathv[pglob->gl_pathc++] = NULL; - for (; names != NULL; names = names->next) - pglob->gl_pathv[pglob->gl_pathc++] = names->name; - pglob->gl_pathv[pglob->gl_pathc] = NULL; + for (; names != NULL; names = names->next) + pglob->gl_pathv[pglob->gl_pathc++] = names->name; + pglob->gl_pathv[pglob->gl_pathc] = NULL; - pglob->gl_flags = flags; + pglob->gl_flags = flags; + } + save = errno; if (stream != NULL) - { - int save = errno; - if (flags & GLOB_ALTDIRFUNC) - (*pglob->gl_closedir) (stream); - else - closedir ((DIR *) stream); - __set_errno (save); - } + if (flags & GLOB_ALTDIRFUNC) + (*pglob->gl_closedir) (stream); + else + closedir ((DIR *) stream); + __set_errno (save); + return nfound == 0 ? GLOB_NOMATCH : 0; memory_error: |